ByShimano
Ultegra R8100 Rear Derailleur (RD-R8150)
Shimano Ultegra Di2 12-speed rear derailleur with semi-wireless shifting, Shadow RD+ design, 39T total capacity, and integrated D-FLY connectivity.
$470MSRP
Drivetrain · Rear Derailleurs
Image pending
SKU RD-R8150TypeRear Derailleurs
Disciplineroad
Speeds12
Weight262 gManufacturer claimed
01 / About
The Ultegra R8100 Rear Derailleur (RD-R8150).
Shimano's take on drivetrain.
Shimano Ultegra Di2 12-speed rear derailleur with semi-wireless shifting, Shadow RD+ design, 39T total capacity, and integrated D-FLY connectivity.
02 / Specifications
Ultegra R8100 Rear Derailleur (RD-R8150) spec sheet.
Everything Shimano publishes for the Ultegra R8100 Rear Derailleur (RD-R8150).
01Overview
5 fields
Type
Rear Derailleurs
Discipline
road
Brand
ShimanoExternal
SKU
RD-R8150Shimano part number
Product URL
02Drivetrain
7 fields
Speeds
12
Actuation
electronic
Subcategory
—
Power meter
—
Power meter type
—
Model line
Ultegra
Generation
R8100
03Pricing & availability
3 fields
Price
$470USD · MSRP
Availability
—
Weight
262 gManufacturer claimed
04Additional specs
7 fields
Total Capacity
39T
Max Low Sprocket
34T
Min Low Sprocket
28T
Cage Type
one-spec
Shifting Speed
58% faster than R9150
Design
Shadow RD+
Wireless
semi-wireless